Layer properties - Added drag-editing for number-based properties

Layer properties - Added min and max values
Nuget - Updated Stylet to 1.3.1

src/Artemis.Core/Models/Profile/LayerProperties/BaseLayerProperty.cs

@@ -24,6 +24,7 @@ namespace Artemis.Core.Models.Profile.LayerProperties
             Description = description;
             Type = type;
             CanUseKeyframes = true;
+            InputStepSize = 1;
 
             // This can only be null if accessed internally
             if (PluginInfo == null)
@@ -32,6 +33,7 @@ namespace Artemis.Core.Models.Profile.LayerProperties
             Children = new List<BaseLayerProperty>();
             BaseKeyframes = new List<BaseKeyframe>();
 
+
             parent?.Children.Add(this);
         }
 
@@ -86,6 +88,21 @@ namespace Artemis.Core.Models.Profile.LayerProperties
         /// </summary>
         public string InputAffix { get; set; }
 
+        /// <summary>
+        ///     Gets or sets an optional maximum input value, only enforced in the UI.
+        /// </summary>
+        public object MaxInputValue { get; set; }
+
+        /// <summary>
+        ///     Gets or sets the input drag step size, used in the UI.
+        /// </summary>
+        public float InputStepSize { get; set; }
+
+        /// <summary>
+        ///     Gets or sets an optional minimum input value, only enforced in the UI.
+        /// </summary>
+        public object MinInputValue { get; set; }
+
         /// <summary>
         ///     Gets or sets whether this property can use keyframes, True by default.
         /// </summary>